#11  
Old 04-17-2010, 09:44 AM
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Default Re: Dome wall thickness question

your going thur the same thing i was only a few weeks back

what i found was this the larger the oven the less often they seem to use it

ie firing for just 2 pizza's

i was going to build a 48 oven but ended up with a 36

so as for therm mas depends on what your cooking seems that for pizza and
1 or 2 bread rotation 3" to 4.5" all good more insulation will be the most important thing. the thermal mas greater then 3" only comes into play once you remove the fire and slow cook bread and so forth at 3" that seems fine just how you hold that heat is very important.

another point made was if it takes 90 sec for a pizza how many can you cook at once with out burning them if your watching moving as they did at expo more room means nothing

and if you can bake 30 loafs of bread in one firing wouldn't they start to get old before you could eat them ?

so i tough wouldn't i like to use it more often
have it fire faster use less wood and just enjoy the cooking
i got a posting from a guy who has a 21 in oven and uses it all the time
so you will be fine just insulate the hell out of it
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Last edited by olddude; 04-17-2010 at 08:16 PM.
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  #12  
Old 04-17-2010, 09:47 AM
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Default Re: Dome wall thickness question

With 3" walls and enough room for 3" of blanket insulation and stucco I can lay out 35" of floor space. With stucco on the outside perimeter of the 48" circle I can do 36" of floor space.
Inner oven opening will be 18" wide.
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  #13  
Old 04-17-2010, 09:54 AM
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Default Re: Dome wall thickness question

from what i've seen on this site and others make the oven smaller stay with the 3" of mas but you need more insulation

thermal mas is where the heat is stored for none fire cooking

so if your insulation is small you will lose heat fast
so even if you had 5" of mass wouldn't mean anything

question how will you be cooking for
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  #14  
Old 04-17-2010, 10:03 AM
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Default Re: Dome wall thickness question

i keep trying to send you a readable cad drawing showing 2'8" in side
4 /2" wall 3" of insulation then you could stucco the out side


here is a pick of my first row on end get more room
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  #15  
Old 04-17-2010, 10:05 AM
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Default Re: Dome wall thickness question

yes 3" is good my bad thought i saw 1"

Last edited by olddude; 04-17-2010 at 10:09 AM.
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  #16  
Old 04-17-2010, 10:15 AM
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Default Re: Dome wall thickness question

okay how about this one
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  #17  
Old 04-17-2010, 10:16 AM
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Default Re: Dome wall thickness question

might help with the drawing lol
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  #18  
Old 04-17-2010, 10:24 AM
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Default Re: Dome wall thickness question

if you build and opening like this the vent will work
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  #19  
Old 04-17-2010, 10:41 AM
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Default Re: Dome wall thickness question

I'm afraid I don't understand this drawing. Is the vent in the oven chamber?
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Old 04-17-2010, 11:31 AM
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Default Re: Dome wall thickness question

Quote:
Originally Posted by dmun View Post
I'm afraid I don't understand this drawing. Is the vent in the oven chamber?
That's olddude's drawing. I don't think the square lines drawn inside the chamber are part of the vent.
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